Emergency unit



FIG. 1 is a front, top right perspective view of an emergency unit showing my new design therefor, and being an emergency unit which is either mounted to a wall or free standing;

FIG. 2 is a front, top left perspective view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a front elevational view thereof. 

The ornamental design for an emergency unit, as shown and described. 